Answer :
-- Make one or both surfaces rougher (less smooth).
Like cover it with sandpaper.
-- If it's one object resting on top of a surface or another object,
then make the upper object heavier. Like put a brick on top of it.
Like cover it with sandpaper.
-- If it's one object resting on top of a surface or another object,
then make the upper object heavier. Like put a brick on top of it.