Section - Custom defaults
Instead of taking a petter-backdrop which is not petter-insubstantial:
say "[one of]You don't need any [noun][or]You don't need any [noun]. Besides, there is something sticky about [them] that makes you reluctant to touch [them][or]You'd rather not touch [regarding the noun][them] unless you have to[cycling]."
Instead of pulling a petter-backdrop:
try taking the noun.
Check attacking something:
if the location is a petter-room and the noun is not portable:
say "You strike [the noun]. A yellow cloud of spores billows up, dense enough to make you cough and your eyes run. But [the noun] seems unaffected." instead.
Check tasting something:
if the location is a petter-room and the noun is not portable:
say "[The noun] [don't] look appetizing[one of]. Or indeed sanitary[or][stopping]." instead.
Check eating something:
if the location is a petter-room and the noun is not portable:
say "You are not hungry." instead.
Check touching something:
if the location is a petter-room and the noun is not portable:
say "Everything in here is slightly sticky to the touch." instead.