I haven't been in the sport long enough to really answer the actual question that you asked but when I read it, I thought you must've meant slider. Someone is bound to jump in here soon and give you a far more intelligent answer than my generic "most, if not all" answer.
But, seriously, if you already have your own rig, have you checked with your canopy manufacturer yet?
Check with MEL from Skyworks Parachute Service. He will make you one. His contact info: Skyworks Parachute Service 2222 Buffalo-West Springs Highway PO Box 507 ( Use This Only If Mailing through United States Postal Service) Buffalo, SC 29321 864-429-8428 Shop 864-426-3040 Cell