Australian Cattle Dog Frisbee Choice- Wahu vs RuffWear vs ChuckIt

Interesting lack of choice on the ChuckIt.
Nearly even choice on the Wahu and RuffWear.
Links to each frisbee;
wahu.com.au/products/wahu-frisc
www.petmate.com/products/chuc...
ruffwear.com/products/hydro-p...