By hand or mouth,the character is holding a leash which connects to own collar(usually "animal collar":[/posts?tags=animal_collar]).
When the character wants to give the leash to the viewer or another obviously, use "offering leash":[/posts?tags=offering_leash] also.

See also
* "pet play":[/posts?tags=pet_play]
* "offering leash":[/posts?tags=offering_leash]
* "holding leash":[/posts?tags=holding_leash]
* "leash in mouth ":[/posts?tags=leash_on_mouth]
holding own leash