Meso 2
I first figured out that I needed one in Disc 14, where I was supposed to use a 32# DB for the plie squats. My heaviest right now are 25's, and I have a hard time holding them (small hands). So I got a vest and used it on Discs 17 and 20, for the tri-set that has the plie squats. I use my 10# vest and do the plies with a 22# DB, and then for the other exercises in that tri-set, I lower the DB weight so that the DB's plus the vest equals what the WO card says I should be using. So far, I like it -- it takes some of the pressure off my hands, but still works the legs. I haven't yet figured out if it works the legs as much as holding a heavier weight.