 The Rift plot device has attracted some critical commentary.In "Under Torch Wood", a one-off "Torchwood" parody for "The Register" (a dialogue in the style of Welsh poet Dylan Thomas' radio play "Under Milk Wood"), columnist Verity Stob derides the device as lazy writing on the part of Davies and his writing team, and comments on its large indebtedness to the Hellmouth from "Buffy the Vampire Slayer".Gwen asks "What is the Rift?