"Arm-y" Ant farm v1.0 - stay in touch with your colony

Step 3: Chop off the ends

Unscrew the caps at both ends and dremel out areas that will fit your arms. Lock it in a vice to keep it from moving all over the place.

Chances are that your forearms are too uneven along their lengths that you cannot use the full tube. You will have to chop off one of the ends to fit the narrow part of your arm.