I want a list of at least 100 things right now.
Ready? Go!
On a cereal note, they are simple to install.
Wedge the center of the clip into the piston groove. Squeeze the gap end with your fingers. Press the clip "ends" in as far as you can. Then with a small pocket flat blade, just finish installing the clip. Make sure you hear it SNAP. An improperly seated clip will absolutely destroy your motor.
And always cover the crankcase with a rag so you don't drop the clip inside the motor.