Quote Originally Posted by rolla91
Do they ever make you remove your shoes before testing?
Nope.


I could tape it to some "tighty whities" but I'm afraid it would make noise when I'm removing it.
Forget the tape. Simply wedge it behind your scrotum, then keep it in place with the tightys.

From N2's Substitution guidelines:

IMHO the best place/way to crotch and carry the 2oz shampoo bottle/condom is to place it between your scrotum and anus. If you have any question as to where this spot is, stand up with your feet shoulder width apart. Reach down with your hand and cup your testicals. Note where your bird and ring fingers are touching. That is where you want to carry the bottle.
If wedging it proves to be uncomfortable, you can try "sandwiching" the bottle between 2 pair of tightys. Depending on ambient temperature, you may want to attach a heatpak to the bottle, since the sandwiched bottle will not be in direct contact with body temp.