The latest episode of Star Trek: Discovery brought back a running gag from DS9. 1 / 8
After Book is captured and forced to work as a scavenger for a syndicate.. 2 / 8
Michael goes to rescue him, posing as a merchant. 3 / 8
She claims to be looking for several pieces of tech, including "self-sealing stem bolts." 4 / 8
In Star Trek: Deep Space Nine, Nog and Jake Sisko acquired a cache of self-sealing stem bolts. 5 / 8
They plan to turn a profit from them, but no one seems to want them or even know what they're for. 6 / 8
Jake and Nog bumble through their efforts to offload the self-sealing stem bolts... 7 / 8
And in season 3, Quark ended up with a stash of them that he also had a hard time getting rid of. 8 / 8