Petspeak collar amazon - Custom Dog Collars

This rudimentary method of establishing pain level for a shock collar can't take into account the way dogs' senses are different from those of humans.

The gadget, which looked like a Madonna-style headset, supposedly measured brain activity to help communicate what the dog was thinking via a speaker on their collar.

This spray collar uses a drop-in cartridge, not unlike the ones in your inkjet printer, to dispense a blast of citronella spray near a dog's face.

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