In Belgium there's a technique quite near to it,
you take an empty bottle with the bottom but and a hole on the cap to set a head.
you fill a bucket with water and u put the bottle in it
the water shoul be like an inch lower than the bottle. then put u'r weed on the bottle, light it, move up the bottle slowly so the bottle fills with smoke (!!!that the plastic dosn burn... that's toxic!!!) remove the cap, put your mouth on top off the bottle and take the smoke in one time descending with the bottle in the water.
water will push the smoke out of the bottle, and it will be easy to have all
!!! dont inspirate too hard, u could get water in your mouth !!!