Bag of holding

A bag of holding refers to a D&D-originated meme of having a carryable item with extradimensional space: https://www.dndbeyond.com/magic-items/4581-bag-of-holding
There are not any GURPS spells or enchantments that do this but there are some approaches to building that using existing advantages.
In either case a Gadget modifier could be used to represent needing to hold an item to use the advantage, and maybe someting like requires DX roll to represent opening the bag for use, and Switchable if it's possible to summon/unsummon the item required to do it with.
==Payload==
:example at https://enragedeggplant.blogspot.com/2018/05/treasure-bags-of-holding.html
This normally gives carrying capacity on the body, though there is a possible Extradimensional modifier.
==Snatcher==
:example at https://forums.sjgames.com/showthread.php?t=12712
Recall from Powers is suggested.
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