Vaporizer Keychain

Hello hello. A long-time lurker, first-time poster. I've been gnawing at an idea for quite some time and was looking for some opinions. My uncle from Chicago visited me a few weeks ago and showed me the strangest keychain. It was a small plastic rectangle with a metal rod that protruded when a button was pressed. The rod heated up to the point of melting snow. I remember reading that heat radiation is the best way to smoke cannabis. Doctors prescribe custom-made machines that radiate heat to activate the cannabis. I've also read that you can use a magnifying glass to light a bowl, resulting in a "cleaner" high. Here's my question (I'm faded by the way... I meant to type less. Fuck.):Is it possible to filter a lighter's flame using glass to activate cannabis without burning it?
 

newb19547

Well-Known Member
I've seen portable glass vaporizers in HT and such, but never tried one. I'm pretty sure you use a lighter for it.
 
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