If you could have only one piece of exercise equipment/machine what would it be? ADVERTISEMENT 2.53K viewsJune 16, 2011 0 Shawn0 June 16, 2011 0 Comments If you could have only one piece of exercise equipment/machine what would it be? 17 Answers ActiveVotedNewestOldest 0 Susan0 Posted 0 Comments TRX. I use it in my studio and take it to client homes. I even use it when I travel. TRX for strength and add some cardio and you have a great workout anywhere. You are viewing 1 out of 17 answers, click here to view all answers. Register or Login