Started HS (left) riveting. Not very successful, seriously over-set the tip rivet. When removed, the hole was so deformed that even an oops rivet couldn't be used. I scrapped the HS-707 and ordered a new from Van's.
Didn't feel very confident after that episode. After the left fiasco on the left HS, I started on the right HS. Managed to get the HS-707 on and felt much better.