Bonsai Kittens in jars cause stir with pet lovers. The so-called "lost Eastern art'' was perverse and sickening. Seal a kitten in a jar, where its developing bones would warp into the shape of the container. Maintain life via drugs and tubes. In three or four months, you'd have an ``aesthetically pleasing, custom shaped'' Bonsai Kitten. That is the essence of the satirical Web site BonsaiKitten.com. BonsaiKitten.com.