Section - The vines
The petter-vines are a plural-named petter-backdrop. Every petter-room contains the petter-vines. The printed name of the petter-vines is "vines". Understand "vine" and "vines" as the petter-vines. The description of petter-vines is "The vines are slippery and sticky and slimy."
Instead of climbing the petter-vines:
say "The vines are too slippery to climb and too weak to support your weight."
Instead of swinging the petter-vines:
say "You might as well try swinging on a slimy wet spaghetti."
Instead of touching or pulling or rubbing or squeezing the petter-vines:
say "[description of petter-vines] You wipe the slime off your hand on your trousers."
Instead of cutting the petter-vines when the player carries a petter-sharp petter-machete:
say "You don't need any vines."