Roman siege engines BC, and surrounded by Roman fortifications. As was standard siege technique at the time, "ballistae" were placed up in the towers with other soldiers armed with either bows or slings. The onager was a post-classical Roman siege engine, which derived its name from the kicking action of the machine, similar to that of an onager (wild ass). It is a type of catapult that uses torsional pressure, generally from twisted rope, to store energy for the shot. The onager consisted of a frame placed on the ground to whose front end a vertical frame of solid timber was rigidly fixed;
Animal cracker Animal cracker An animal cracker is a particular type of small cracker/cookie, baked in the shape of an animal, usually an animal either at a zoo or circus, such as an African lion, tiger, bear or elephant. The most common variety is light-colored and slightly sweet, but darker chocolate-flavored and colorful frosted varieties are also sold. Although animal crackers are made with a layered dough like crackers, they tend to be sweet in flavor, but still technically a cracker and not a cookie. Other animal-shaped crackers and cookies are popular, such as Teddy Grahams, Goldfish, Hello Panda and Koala's March.