... and just when I had forgotten all about Sri, I was looking for a way of doing weighted step-ups as skiing training at home, last year... and came across this (2/3 of the way down the page):

http://straighttothebar.com/articles/2006/09/the_stepup_a_real_squat_altern/

My roommate used to come home with boxes of the incense after setting up Santana gigs (he was on a major San Francisco sound crew). The band used huge quantities to try and forget/ignore/coverup the inevitable concert hall pot smoke.