pen style applicator is very  small and portable. Can be places inside pack of cigarettes. Applicator wil make crushballs the insertion proces much easier you can see pictures on box. Applicator has 60 flavor balls.

step1. take out the ordinary cigarette, put it into the bottom spike hole.
step2. tilt the applicator silghty sideways to feed a bead through canal into applicator insertion top part.
step3. push down the cigarette at the top part of applicator to insert a crushball inside cigarette filter.
step4.make the capsule im the filter burst by pressing it.