Cleaned up the shop a bit and prepared for squeezing the rivets on the aft horizontal stabilizer spar. Thought this would be a cinch with my squeezer and I would fly right through it (pardon the pun). Well, on the sixth rivet, I noticed the something wasn't right. Turns out my makeshift rivet set holder for my squeezer decided to bend (see picture). So, that shut me down for the night. I need to fix that and buy an new set as the one shown in the picture broke about half way up its shaft. Nothing can ever be easy.