The book: 'Air Snail Mail' by Jack Pittman
'Snail Mail' by Christine Garner
by fashionfeedofsl - who writes:
"...[this] is ”[AMH] Mail Snail (Anya Yalin)”.
This cute snail have very very nice function. If you put this at your house or shop,
friends or customers can drop their note card to this snail. Then when you back
from afk or log off, you can easily touch this snail then you can get those note cards".