Place rotating crescent against tubing. Apply forward pressure until the punch pin pierces the tubing. If larger holes are desired, remove pullet punch cutter from the storage holder on top of the blade handle.
Insert emitter or barb in either rear or bottom barb holder. Place emitter barbed point against punched hole in tubing. Apply pressure until the emitter barb pierces tubing. Does not work with all 1/4" barbs or emitters.
Install emitter with 1/4" tubing attached into crescent slots on bottom of punch handle. Place shoulder of emitter on outside edge of handle with 1/4" tubing pressed into crescents, place emitter barb against punched hole in tubing. Apply pressure until emitter pierces tubing.
Place eased edge on bottom of punch handle against emitter at 45° angle. Apply pressure until emitter edge is lifted and seated into crescents. While holding emitter assembly in crescents rotae tool backward