Hey GB,
Just wanted to do a quick form check. I can hold these for 30s +, and this one isn't my best (shuffling my feet around too much, surface was more tacky than I'm used to) but just wanted to make sure I was hitting all the cues:
Protraction, solid PPT (except for when i shuffle).
See here - https://drive.google.com/open?id=0B9fjeVLYtVViXzRQNU90R0ZCRkZrYXhDLXdQLVAwSUpmUldF
Thanks!