Brother is in the green, my ladyfriend in yellow.
No ptex needed, sand isn't gonna gouge your bases. I could go for a good hot wax to clean them out, then a regular wax though!
Back-o-tricks is more getting a dusting off than expanding. I learned the same stuff, in the same spot, four years ago. Hadn't done more than 1 or 2 flips last year, and not many the year before that. Nothing like a good ole confidence booster!
I sent this to my ski buddy Telemark Dave, whose sons are video heads and park rats, respectively. He reports:
"Nice. Funny, Josh and Ethan have the same little model helis, they use them to buzz the cats....lol. Though Nero, our 15 lb black Persian, smacked one out of the air in that typical nonchalant, cats are too cool for that s--- way that they have."