Wygodny niewykryty taśma

Using clear medical tape, like such, pull out about 4 inches of it.

You need 2 or 3.

Now, for this tuck, you want to pull in, push in, push up inside.

Now take your ball sack, roll it together inward, where it looks like this.

Now you take your first piece of tape, stick it to the side, like so.