To calculate all the breaths you take in a lifetime we have to know a couple of things. First of all we have to know the size (volume) of an average breath. Secondly we have to know how frequent we breathe (number of breaths per minute).And finally we have to decide how long you are going to live.o calculate all the breaths you take in a lifetime we have to know a couple of things. First of all we have to know the size (volume) of an average breath. Secondly we have to know how frequent we breathe (number of breaths per minute). And finally we have to decide how long you are going to live.
Step #1: Make the slingshot. 1  Make elastic bands. 2  To begin, tie 2 rubber bands together to make a long band. 3  Make a pocket. 4  Cut a small rectangle out of a scrap of leather or sturdy cloth. 5  Assemble. 6  Tie the rubber bands to the ends of a forked stick.
Bamboo Loris PFS Slingshot. The Metro Grade Loris is a Pickle Fork Shooter style slingshot made popular by Youtube slingshot veteran pfshooter. Requiring patience, practiced technique and instinctive aiming, the PFS is not for beginners. The Bamboo Loris is made up of a laminated core of premium Baltic birch plywood with faced with bamboo. Then it is hand finished, triple coated with acrylic sealing spray and finally buffed for a silky smooth exterior.