Many prominent golf companies and pro tour players regularly take to Twitter to talk about their equipment. Here is a round-up of some of the most interesting golf equipment-related Twitter entries from the week of Dec. 13-19, featuring Hunter Mahan, Paula Creamer, Billy Horschel and more:
@karin_sjodin Have to admit: Not too sad my clubs still haven't made it to Sweden. Snow everywhere and more falling as I type. Break time?
@IanJamesPoulter Nice write up folks in WSJ about the boys twittering, check it out Click here to read more 
@IanJamesPoulter On set with the @powerbalance crew doing a shoot. #TwitPict Click here to see photo 
@PingTour Photos: Busy Week @PingTour with visits from PING Pros Summerhays, Davies, Maggert and Mahan... Click here to see photos 
@Andres_Gonzales First one at the course. Three hour frost delay. Coffee nudges until we peg it. Deal with it.
@nikegolf With the weather a little chilly in Portland @StewartCink tested some golf balls indoors at the Nike offices Click here to see photo 
@nikegolf Nike Athlete @stewartcink talking golf ball technology during his visit to Nike World Headquarters Click here to see photo 
@kevinburnsgolf Customer Michelle's putter is almost completed. I hope she jumps for joy when she gets her new putter. What a way... Click here to see photo 
@kevinburnsgolf Just finished a lefty 705. We're equal opportunity, right or left handed is our specialty. Lie angle and length...
@_Chris_Kirk_ Had a busy but great day with the @TRAVISMATHEW photo shoot. Should be some entertaining videos/photos.
@RyanPalmerFDN On my way to California. Be at Taylor made all afternoon for some practice. Also check out new irons that are coming plus new white driver
@RyanPalmerFDN Just finished at Taylor made. Great day hitting the new R11 white driver. Having dinner at west steak house.
@nikegolf Nike's @stewartcink was checking out his new apparel for the 2011 season! I think this one might be a fav Click here to see photo 
@nikegolf Nike Athlete @stewartcink at the Nike Sports Research Lab going deep with the lab geeks on footwear technology Click here to see photo 
@nikegolf Very special to have @stewartcink in the house for our holiday party at Nike World HQ. Little q+a with the team- Click here to see photo 
@PaulStankowski I'm in Carlsbad, CA for some Club Testing and just woke up to...RAIN! It's gonna 56 & sunny in Dallas, 60 & rainy here. Go Figure.
@PaulStankowski I am looking forward to Testing the new @Callaway Drivers and RAZR irons. Updates later on...
@PaulStankowski I enjoyed my time here today. Great folks...Great Equipment! Looking forward to 2011 already! Click here to see photo 
@IanJamesPoulter Hey thanks @VokeyWedges for my wedge that's very kind. folks vokey just sent me a Ryder Cup gift. #TwitPict Click here to see photo 
@PingTour Photos: PING Pro @HunterMahan dropped by PING HQ to tweak a few clubs in his bag. Take a look at what we worked on... Click here to see photos 
@Titleist RT @TurfUnderground: @Titleist just went thru the golf ball fitting at Riviera. ... Great info for anyone's game. It's a must do.
@kevinburnsgolf 3 customers came in for a fitting a couple of days ago and we'll have their new custom putters tomorrow. Surprise - Happy Holidays!!!
@PingTour Photos: PING Pro Jeff Maggert stopped by our PHX HQ today to work on drivers. Is Jeff a G-Man (G15) or an i-Guy (i15) Click here to see photo 
@HunterMahan Did a photoshoot for @powerbalance today in Arizona!! Got some great shots, of you want to check them out go to powerbalance.com!
@HunterMahan Here's a pic from the photo shoot! Click here to see photo 
@TheChristinaKim I wonder why people say "grinded" when talking about practicing golf, and not "ground"
@kktamulis My friend is finishing up his PGA books and had to video a lesson. I was his student and he gave me a lesson. . . Left handed!
@kktamulis I did really good, even hit nice draws with a rental set 5 wood by the end. After some practice I think I could break 90!
@VokeyWedges had some questions about the bounce of the new Tour Issues from WedgeWorks. We have high (60P), mid (60E) & low bounce available (60L & 60T)
@nikegolf Are u in athletic golf shape?For many it's the off-season.Time to train.Here's a look at our athletes in the gym VIDEO: Click here to see video 
@TheChristinaKim I think I'm shelfing my clubs away for the next two weeks or so. Def for the next 10 days. Maybe. A week? Hmmm.
@HunterMahan Just finished lunch, now at the ping factory trying out some new clubs!!!
@PingTour Here is @HunterMahan rolling a few putts in our Putting Lab... Click here to see photo 
@Brendan_Steele Driver testing at Goose Creek with Jim Follingstad
@boomclub Lee and Paula.... 2 legends of their time! What an amazing staff we have at Bridgestone Golf! Click here to see photo 
@Conditions have been quite cold for the last 2 weeks of the shoot.. Any guess who that is? Mr. Matt Kuchar! Click here to see photo 
@CallawayTourSpy In Thongchai's bag: the new #Diablo #Octane Tour Driver, the new #RAZR Hawk 3wood and the new #RAZR X-Forged irons.
@PingTour Today we're testing prototype drivers with Daniel Summerhays and Rhys Davies...
@PingTour PING Pro Daniel Summerhays testing different fairway wood options. Looks like he might be an i-guy! Click here to see photo 
@PingTour PING Pros Daniel Summerhays and Rhys Davies visited @PINGtour to refine their tools of the trade. Take a look... Click here to see photo 
@ThePCreamer Matt kuchar and I filming a commercial spot for Bridgestone. Click here to see photo 
@ThePCreamer Alright its time! Click here to see photo 
@ThePCreamer Thank you Bridgestone for a great day. It was cold but so fun. I can't wait for the final product.
@Nikegolf Class is in session @ Poppy Ridge as some of our Swoosh Staff Club Pros from Nor Cal learn about our 2011 products Click here to see photo 
@nikegolf Continuing this great day for the Swoosh staffers...testing and getting fit for the new VR Pro clubs Click here to see photo 
@taylormadegc Our new TP Muscleback irons debuted on the PGA Tour last week, played by J Day, R Sabbatini, S Verplank & winner D Johnson. Sweet sticks.
@mindykim89 This isn't good.tired after hitting 40 golf balls. Uh oh.
@Kstupples Click here to see photo  some of my new quagmire clothes. Please bear in mind it's 30 mph wind and freezing
@Brittany1golf My wonderful pro am group braving the cold. I have 5 pairs of pants on with 4 shirts/jackets :( Click here to see photo 
@BillyHo_Golf At the Polo/RLX photo shoot today. Matteo Manassero and Luke Donald are here at the shoot too! It's going to be a fun day!
@BillyHo_Golf Matteo doing hair and makeup! Click here to see photo 
@BillyHo_Golf Matteo's turn on the high speed camera! Click here to see photo 
@BillyHo_Golf Luke getting beautified! Click here to see photo 
@BillyHo_Golf Luke getting ready for his shot. Using the same high speed camera they used for Tiger commercial couple years ago. Click here to see photo 
@BillyHo_Golf Finished with the Polo/RLX photo shoot. First ever photo shoot for me. It was awesome. Looking forward to seeing how everything turned out.
@Taylormadegc Our new TP Muscleback irons debuted on the PGA Tour last week, played by J Day, R Sabbatini, S Verplank & winner D Johnson. Sweet sticks.
@SrixonGolf We are very excited to announce that in 2011 all of our woods will come with a Miyazaki Shafts in them. We view... Click here to read more 
@ClevelandGolf Excited to announce our 2011 partnership with @Miyazakishafts ! Next year the entire wood line will come with C. Kua shafts. #golf
@cobragolf RT @gdm43pga @IanJamesPoulter with the new white driver in play at the Shark Shoot-out. IJP drove it pure for 3 Click here to see photo