Most of the cheap ones you can buy like at walmart you have to squeeze hard to make the 2 components mix and produce heat.
killerweed420 Reviewed by killerweed420 on . Substitution and Random Testing I work and I am subject to random testing. The procedure, if I am selected, is to have my supervisor come to my office and say "You've been selected for drug screening please come with me" at which point I stand up and go with him to a testing facility. I have no time to be heating up containers and strapping on heating pads. If each morning I wake up and about an hour before work put on the Clean Stream belt pouch with the synthetic urine plastered to my crotch, will the sample Rating: 5