Well, these worked as intended. I went down recently and despite bending the shifter and a lot of other cosmetic damage, including grinding down the bottom of the end of the clutch lever, the lever folded as designed and did not break. Still in service, just sanded the spot and hit it with some glossy black.
Taking it easy, for once, and on a major, but curvy, highway and hit an oil spot in a turn this morning. Bam! I was sliding down the road before I even knew I was down. Lots of people stopped to help- there are good people in this world! Good thing I was in a left turn and slid off the right...