Normally speaking, cat teasing sticks are not harmful to cats, because cat teasing sticks are just toys and can help owners and cats enhance their relationship. However, if they are used improperly or choose inferior cat teasing sticks, they may cause certain harm to cats. Influence. It is best to choose a cat teasing stick of good quality to prevent the cat from biting it and accidentally eating it. Also, do not choose a cat teasing stick with a soft rope, which can easily entangle the cat and cause it to suffocate.