How to summon a demon:
Step 1: enclose your hand around the badminton racket 
Step 2: cross your two lower limbs while lowering your human fuselage to the ground
Step 3: slowly expand the upper and lower lip of your mouth and create a sound at the back of your tube connecting the shoulder and the head (neck), then maintain the vibration coming from your mouth whilst closing the body part beneath your nose. Simultaneously, drag your racquet to the surface of the earth with the quirk of gravity and place the bottom of the stick (which is connected to the hard web) and the ground, ensuring that the racquet does not defeat gravity in the top ten anime battles of all time.
Step 4: release your hand from the shillelagh and bring the four bones with skin on your palm together with your thiccest finger. place on the joint connecting the thigh and the calf and rise.
Step 5: waddle around in a circle surrounding the two woop woop whilst slowly expand the upper and lower lip of your mouth and create a sound at the back of your tube connecting the shoulder and the head (neck), then maintain the vibration coming from your mouth whilst closing the body part beneath your nose. 
Step 6: admire the demonic and underworldly creature that u have summoned, also scientifically known as Jackie.