STEERING WHEEL

Provided is a steering wheel including a dynamic damper mechanism which does not easily deteriorate over time, in which a resonance frequency to be damped does not easily change. A attaching structure for attaching an airbag device to a steering wheel incudes: a tubular guide member () passing through an opening of a fixing plate () of the airbag device; a hook () engaging with a lock spring (); a hollow holding member () fixed to a main body part () of the steering wheel and holding a base end portion () of the hook while restricting the base end portion () from moving toward a tip end portion () of the hook; and a return spring (), and the base end portion () has a bottom portion being a convex spherical shape.