Clip On with Lava Ball Diffuser for essential oils for Dog Collar Best Friend

Best Friend Clip On Lava Ball Diffuser apply 1 drop of essential oil to the lava ball I use 1 drop of lemongrass oil from doterra. i roll a little oil on the lava ball for fleas clips right on collar. I also use it in my car for aromatherapy there too. Has many areas you can reap the benefits of essential oil uses, example: purses, coat zippers..Zippers 1 1/2" long 126