This is a *jizai-kagi* (adjustable hanging hook) featuring a carved wooden carp, designed for use with a traditional *irori* (sunken hearth).
A *jizai-kagi* is a tool suspended above a hearth or *kamado* (cooking stove) that allows for the free adjustment of the height of a hanging pot or iron kettle.
This item was retrieved from storage in an old traditional house.
Although it is an antique, there are no cracks, major scratches, or sticky residue, and the rope appears to be in good condition.
It is in excellent condition considering its age.
Please refer to the images to check the condition.