Euröslut..........
I have currently had no problem with the binding agents from pills that I have ground up.........though this could be due to a number of factors.......
I didn't use a 'puffer' as such. You would be very hard pressed (impossible i'm thinking) to administer anything in the way of a compressed gas with a cylinder.......like all Ventolin inhalers use.
Instead I used a turbohaler device which breakes open a capsule (once incased in the mechanism itself) and them you take deep breaths (much like a normal inhaler).......but instead of the medication coming out in the form of a gas/powder mix it is simply very VERY well ground powder...
Thus........you can modify it slightly....emptying the pwer from a MDMA cap or ground up pill into a specifically sized capsule that fits within the turbohaler and then INSTEAD of breathing in deeply........you simply breath lightly until the contents are gone!
Unfortunatly the turbohaler I use is called "Forodial"....I think. This is only available after getting a prescription from a doctor.......not a hard thing to do though. It will set you back about $20 for the turbohaler and a months supply of long acting ventolin medication.........the turbohaler though is good for many, many uses!
I think I have answered all of your questions and always happy to be the test subject for any further experiments! *twitch*
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NOTE: Plastic bananas are for eating, not throwing!