We've been trying different techniques but so far no dice. We know it's something simple and you can do it with both trade-ables and non-trade-ables.
If we find it out we'll share immediately after abusing it for ourselves which shouldn't take long.
A lot of people seem to know how but won't fess up in fear it'll get patched quick due to a lot of people using it.
Bit late for that honestly, if you know anything bring it up, now is the time to do it.