Iv been smoking out of wrench sockets for a year now ever sence i started smoking pot. I was reading about it somewhere and it was saying i have to "cook" it first. What dose that mean? Oh and Iv held a lighter to the socket for 2 or 3 seconds and it actualy catches on fire for a split second. In the past I just ignored it but now it kind of worrys me. Can anyone help me out here?