The best way to scrape glass is to use a street sweeper bristle. next time u see a street sweeper on the road, walk behind it for a minute and u should find a long, thin, flat piece of metal that has fallen off. Just bend the end slightly with some pliers and u have the perfect tool. BUT IF U WANNA GET EVERY BIT OF RESIN OUT HERE IS WHAT U DO.

GET SOME RUBBING ALCOHOL, PLUG THE BOWL AND CARD WITH YOUR FINGERS AND FILL THE PIPE ALMOST ALL THE WAY TO THE TIP OF THE STEM WITH THE ALCOHOL. PLUG THE MOUTH PIECE AND SHAKE VIGOROUSLY. DUMP ONTO A PLATE. (DO NOT USE PLATES WITH RIDGES IN THE MIDDLE, USE A FLAT ONE.) A THICK BLACK GOOP WITH COME OUT, REPEAT 2 OR 3 TIMES UNTIL PIPE IS CLEAN. NOW YOU NEED TO TAKE THE PLATE TO A OPEN AREA. SET ON GROUND AND LIGHT THE ALCOHOL ON FIRE. ALLOW TO COMPLETELY BURN OUT. YOU WILL NOW LITTLE OR NO ALCOHOL LEFT ON THE PLATE. STICK IN MICROWAVE UNTIL REMAINING LIQUID IS GONE. (DO NOT MICROWAVE FOR TOO LONG, OR YOU WILL RUIN YOUR RESIN.) 10-30 SECONDS MAX. ONCE YOU HAVE A DRIED RESIN CAKED ON THE PLATE, SCRAPE OFF WITH A RAZOR BLADE. AND SMOKE. IT DOESNT TASTE LIKE ALCOHOL. DOESNT REDUCE POTENCY. AND UI GARANTEE YOU COULDNT GET A CLEANER PIPE, OR MORE RESIN. IF YOU JUST WANNA CLEAN YOUR PIPE, SOAK IN RUBBING ALCOHOL OVER NIGH AND RINSE WITH WATER. IT WILL LOOK BRAND NEW. ENJOY!!!!