Abstract: Air pressure regulation devices and methods of using air pressure regulation devices are provided to adjustably control air flow to a bagpipe chanter reed. An air pressure regulation device can include a main body, a valve rotatably attached to the main body, and a cap attached to the main body. The valve may be rotatably adjustable to control an amount of air that flows through the air pressure regulation device. Methods of using an air pressure regulation device may include installing an air pressure regulation device on a bagpipe, adjusting the air pressure regulation device, and playing the bagpipe.

Abstract: A disconnectable golf club, comprising an upper section, and a lower section, which are secured together by means of a connector, one comprising a female part, the other a male part, and which includes one or more detents, and detent seats, that are constantly biased into engagement, to afford an interconnection of the golf club together, when assembled, but allows for prompt and remote disconnection, through the depression of a the detent or a control rod connected to the detent, when the golf club sections are to be separated, or a different club head is to be installed for usage and application for driving or putting of a golf ball.