pf2e.fyi
From Pathfinder Howl of the Wild, which isn't enabled.

Ogre Spider Filament

ITEM 1
CATALYSTCONSUMABLEMAGICAL
Price 4 gp
Usage held in 1 hand
Bulk L
Category catalyst
Activate Cast a Spell

This delicate strand of spiderweb sticks to the target of a Spider Sting spell, hampering their movement. Using this catalyst causes a creature afflicted with spider venom to become Clumsy instead of Enfeebled.

Pathfinder Howl of the WildORC