Re: anti-slip ideas for pedals?
I used to have tape on my rug marking everything. By the time the last of the tape fell off, I didn't need it anymore because I had my system down. Bass drum first, which is easy to line up with certain spots of the rug edge. Master pedal next, then attach the driveshaft and slave pedal, then place the slave pedal down. Hihat goes next to that.
I very rarely adjust anything, and when I do it's easy since my rug is one of those heavy rubber-backed ones. That's why I don't hate velcro.