1. Create two rooms, connected to each other by floor.
2. In one room, place a weapon token (other than an RBS one)on one tile and a clone on another.
3. Play-test. Stand on the weapon token. Tab twice and then leave the room.
Voila! You now have a completely different weapon. You can now seriously break holds. The game now seems to think that the weapon you just smuggled out is your default weapon.
The effect on the TSS hold seems to be this (minor spoilers):
Click here to view the secret text
×I could only find one relevant case in the TSS hold itself; the clone room in HITF. Luckily enough though, the next room must change the weapon back to sword; likely due to the script that must activate when you return from SUTO (Halph player role)