Helmet accessory attachment system

A helmet accessory attachment system comprising:

• an attachment portion comprising a biasing element, a position member, and a movable member selectively movable between a home position and a release position, wherein the biasing element biases the movable member toward the home position, and a distance between the position member and the movable member in the home position is different from a distance between the position member and the movable member in the release position wherein the attachment portion includes an elongate slot, and a portion of the movable member is slidable in the elongate slot;
• and
• a mounting portion attachable to a helmet, wherein the mounting portion comprises a first channel to receive the movable member, and a second channel to retain the position member with the movable member moved toward or in the home position and to release the position member when the movable member is in the release position.

A helmet accessory attachment system comprising:

• an accessory;
• an attachment portion attachable to the accessory, wherein the attachment portion comprises a biasing element, a position member, and a movable member, the movable member being selectively movable between a home position and a release position, wherein the biasing element biases the movable member toward the home position, the attachment portion includes an elongate slot, and a portion of the movable member is slidable in the elongate slot, and a distance between the position member and the movable member in the home position is different from a distance between the position member and the movable member in the release position, and wherein the position member is retainable in a channel of a mounting portion with the movable member moved toward or in the home position, and releasable from the channel of the mounting portion with the movable member in the release position.