Cause mammary glands, you’ll never know where you pumping that synthol into when it needs to go to muscles but not in mammary glands, also there’s alot of veins and other canals where it doesn’t need to go, but with arms it’s whole another business, muscles are big and avoiding arteries and veins is much simpler
Most Americans and Europeans don’t ever see a bear in their entire lives, but in Australia there possibility of snake bite your butt while you shitting and there is times when spiders are everywhere