Answer:
Only two backbones and thousands of ribs.
It's equally comfortable in an orchestra and a geometry textbook. What is it?
You will find me with four legs, but no hair. People ride me for hours, but I don't go anywhere without needing to be tugged. Jerked or turned on, I always manage to be ready for work.
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
Iβm a word, six letters longΝΎ I sometimes enter with a gong. All in order from A to Z, I start with the letter B. What is the word?
I have two bodies joined together as one. When standing still I run and run.