Image Source: Slap Battles via The Nerd Stash Unfortunately, to get that, you need to either have the Pocket Glove, which costs 26,000 Slaps or find someone who has it (like I did). I only had to hop a few servers before I found someone, so it wasn’t too difficult. Ask politely...
Either way, the one wielding the Pocket Glove has to use its ability and drop it on the ground. You can then get close to the glove and interact with it. In doing so, you’ll be whisked away to a pocket dimension (pun intended). Image Source: Slap Battles via The Nerd Stash Scan...