Placement is everything, you must make sure you have the upper hand. always remember supprise is the key.
The best way to do this is the grab and yank.. but some found that the grab and rip seems to work as well.. but leaves a walk of shame in the am.
Bewear for skid marks they can be difficult to work around.
There are other easier mesures of panty raiding which involve openings of dwars but they arnt as exicting and gradifing as stripping them off a live indevidule
If all goes smoothly you will have mastered the panty raid
and be named PANTY RAID CHAMPION OF THE WORLD