I have plugged generic adderall (D/L-amphetamine) about 10 times now. I feel the onset a lot faster than just oral ROA. When plugging I use a Monoject oral syringe with catheter tip (I get them from my work) and use a bit of lube to clear my bowels. Clearing the bowel is directly related to absorption of the drug and thus the quality of your high and duration of your high. I fill a cup with sterile water and inject 10ml syringe into the bowel three times while laying on my side on the ground. Wait about 4-5 min and then get on the toilet and push. This should evacuate your bowel fairly well. Then use a glove and lube to insert the pill or parachute past the rectal sphincter muscle and into the bowel. Its about 3 inches long (almost as long as your finger). Then wait about 20-40 minutes for onset of drug. I am very high right now because of a successful plug today. It lasts longer and doesn't mess up your stomach, small/large intestine. If you have seborrheic dermatitis you should not use oral ROA because it helps grow candida albicans yeast and will give you an outbreak on your face/neck/where ever. Use sublingual/Rectal ROA's instead. This will solve your problem. Good luck! and don't forget to take your L-tyrosine, vitamin B complex and L Phenylalanine supplements so you can keep that dopamine level up and put back what you have lost in the process of amp use.