You can probably find what you are looking for on ebay but let me tell you....spikes are a pain in the ass. Munkee has one with short spikes & he still ended up poking me AND himself. The first time your dog digs a spike into your thigh & runs it down to your knee you will jerk it off & fling it across the house just like I did. He wore it maybe 5 times, I don't even know where it is anymore.
There's a fine line between genius and insanity. I have erased this line.