Personally, I would just square up and throw dead at the pocket. Its going to be rough going, but wasting time in practice trying to burn a spot it just too difficult to pull off imo. Why not try a ball stronger than a slash? There are a lot of strong balls out on the market that would work for that shot (centaur amb particle, epx t1, brunswick goliath, etc.). I just think it is so difficult to actually burn up a line successfully and then switch back to a normal line: the pros can do it because they have more warmup time than normal leagues.
If you are intent on doing this, take the ball down to 220. Even if its just a mental thing, i think 220 would work slightly better than 360. Just my opinion though...
--------------------
stanski