We have over 20 years cats - If you train the animals (! And not by force) and even can handle minimal with them, you do not need something like that. Our apartment has no scratch marks on despite currently two, adult cats and even injuries caused by the cat, there is hardly. If I have to think about my cat's claws to take, because they attacked me I should me vll. times superior to why it does so. I would be here even when Freigängern too risky, as these against neighboring cats / dogs / / Adventurous children and adolescents defend or sometimes have to climb a bit. I also see the danger of swallowing, my cats pull the loose, old claw layers with teeth from.