Footwear with retractable spikes

Footwear with retractable studs

Footwear with two-piece sole

Friction device for footwear

Garment opener/closer and fastener

Glispa

Golf cleat

Golf shoe cleat

Golf shoe construction

Golf shoe spike, and golf shoe

Golf shoe spikes

Golf shoe spikes

Gripper elements for sports shoes

Gripper elements for sports shoes

Gripping riding spurs

Ground-gripping elements for shoe soles

Hiking boot attachment for descending slopes

Hook having slotted entry

Ice gripper

Ice-grip heel