Blade storage
Here is a tip from my friend Kevin Davidson. The bit of foam provided to store the folded back blades keeps popping off the boom, especially if the helicopter is tipped over or inverted while being carried. Simply stretch an elastic band over the tail boom, and over the top of the stowed blades. Keep it close to the foam to avoid putting a bend in the blades.

Here's Kev some time ago when he still had the training wheels on:
