The snake coiled around a blade combines transformation and danger in one image, drawing on the snake's association with rebirth (shedding skin) and the dagger's implication of aggression or defense. Together they often read as a warning against betrayal, or as a marker of hard-won resilience where the wearer has faced a threat and come through changed. Some also link the pairing to hidden danger, since the snake's threat is disguised by its ornamental coil around the weapon.
Where it sits
This is a tall, narrow vertical composition, so it suits the forearm, spine, shin or sternum where that length can run uninterrupted. The dagger's hilt detail and the snake's head both need width to stay legible, so a placement that tapers too much (like a finger or narrow wrist) will crowd the linework. Shrinking it below forearm length will cause the pommel filigree and scale shading to lose separation.
Making it yours
Ask an artist for any of these.