Have you ever thought to use the healing properties of crystals for your pets? 
Sometimes they need it more than we do.
Smokey quartz is a protective stone. It helps release negative and aggressive energy. Great for pets with paranoia from trauma.
I take custom orders as well! For collar colors and stones.
The crystals are charged under the moonlight, as well as, infused with Reiki healing energy. 
Collar Length
XS: 30cm - adjust at 20-26cm
S: 37cm - adjust at 27-33cm
M: 42cm - adjust at 29-38cm
L: 51cm - adjust at 36-46cm
XL: 61cm - adjust at 46-56cm