A pre-roll cone folding system for use in folding top portions of pre-roll cones, including at least (A) one or more pre-roll cone holders, a given one of the one or more pre-roll cone holders including at least a sloped cavity for supporting a pre-roll cone with a top portion of the pre-roll cone protruding from the sloped cavity; (B) one or more pre-roll cone folders for engaging the one or more pre-roll cone holders, a given pre-roll cone folder of the one or more pre-roll cone folders including at least (1) a receptacle to receive at least a portion of the protruding top portion of the pre-roll cone, and (2) a slot; and (C) a pre-roll cone plunger with a shaft for insertion through the slot of the given pre-roll cone folder and with a shaper for shaping at least the top portion of the pre-roll cone.