Use the soft and squishy kind that don’t shred into a zillion pieces.
Related

Soft feathers sewn onto a 36" string. But beware...if you cut the string, the feathers shed like mad! Don't cut the string!
Similar post

Also called painter's tape. Typically, I use the 1" kind.
Similar post

Basically, the cardboard on the back of writing pads or in retail packaging. No tagboard handy? Use brown poster board!
Similar post