Treatments With Spikes. You're probably well aware of this one unless you found another method to open the tubes. When you purchase an OTC treatment, you might find a little spike beneath the lid. Flip it over and use it to puncture through the protective foil.
This shit again?
again and again and again and again and again and again and again and again and again and again and again and again and again and again and again and again and again and again and again and again and again ...
#14 That hole is used to extract the key lock when the key is in it so you can rekey the lock to another key - you oil the lock through the key slot. That's where the pins are.