wobbler

Wobbler disease is a condition of the cervical vertebrae that causes an unsteady gait and weakness in dogs and horses.

Wobbler disease is also known as cervical vertebral instability, cervical spondylomyelopathy, and cervical vertebral malformation.

The wobbler together with the gas cartridge synchronously rotated with the wheel owing to the effect of the handspike of the gas cartridge on the wobbler, when the utility model is in normal use;