An exercise machine is disclosed. The exercise machine comprises a tension generating device. The exercise machine comprises a translatable arm mount coupled to the tension generating device. The exercise machine comprises an arm coupled to the translatable arm mount. The exercise machine comprises a cable coupled to the tension generating device via the arm.

An Internet of Thing (IoT) device includes a camera coupled to a processor; and a wireless transceiver coupled to the processor. Blockchain smart contracts can be used with the device to facilitate secure operation.

A foam pit cover having a cover sheet with a gator clip along its perimeter, a perimeter skirt, an apron, and a plurality of toggle bungee cords. The perimeter skirt is made of primary and second sheets, the primary sheet being longer than the secondary sheet. The toggle bungee cords are configured to fit within grommets in the secondary sheet of the perimeter skirt and the bottom part of the apron. The top part of the apron is attached to the bottom part of the primary sheet of the perimeter skirt. The cover sheet and apron are made of a PVC-coated polyester material, and the perimeter skirt is made of a breathable, durable fabric. The invention optionally includes a top sheet with customized graphics and corner pieces to further secure the cover sheet to the perimeter skirt.

An Internet of Thing (IoT) device includes a sensor coupled to a processor; and a transceiver coupled to the processor. Blockchain smart contracts can be used with the device to facilitate secure operation.

An Internet of Thing (IoT) device includes a camera coupled to a processor; and a wireless transceiver coupled to the processor. Blockchain smart contracts can be used with the device to facilitate secure operation.

A system and method for using resistance type exercise machines is provided. One embodiment provides a tailored resistance level (TRL) that indicates a resistance level for that particular user and that particular exercise machine. The TRL, calculated for a particular user and a particular exercise machine, is based on three concurrently measured variables: the user biometric (such as heart rate), cadence of the user's effort, and measured resistance value (measured as the degrees of angular rotation of the resistance knob 104 of the exercise machine).

A method and system for controlling the topography of a surface, such as a golf course green or fairway, through the use of a mechanical elevation control device placed below the surface of the earth. The mechanical elevation control device may be mechanical, pneumatic and hydraulic. Predetermined surface configurations, including historic configurations, may be stored in a memory associated with the system and used to configure a surface.

The present disclosure is directed to an anchor assembly for placement in the ground. The assembly may include a shell with a lower end configured to be at least partially underground. An insert is provided that accepts a base, such as a baseball base or similar, and allows for built-up dirt and debris to be quickly and easily removed from the assembly so that bases and the like will be properly positioned.

A resistance device includes a resistance source, a winch, a draw rope, a pulley block, a wire management mechanism, a draw wire and a fixed plate. The output end of the resistance source is connected to one end of the winch, and the other end of the winch is pivotably connected to the fixed plate. The wire management mechanism is arranged between the fixed plate and the resistance source. One end of the draw rope is fixedly arranged on the winch, and the other end of the draw rope protrudes out of the wire management mechanism. A bobbin is convexly arranged at an end portion of the other end of the winch. The pulley block includes at least one fixed pulley and at least one movable pulley. The fixed pulley is fixedly arranged on the fixed plate, and the movable pulley is fixedly arranged on the wire management mechanism.

A method and an apparatus for playing golf on a hard surface comprises a replaceable striking pad attached to a conventional golf club head by means of at least one attachment means, a spiked ball, a portable ball trap to trap the spiked ball and an optional remotely controlled vehicle to position the portable ball trap. The replaceable striking pad includes a small lip at a bottom end on a front face and a holding ledge having substantially curved edges extending away from the bottom end of the front face. The holding ledge is adaptable to wrap around a bottom sole of the golf club head. The portable ball trap includes a thin flat platform with tapered edges, a central threaded pole positioned on the thin flat platform and a circular frame having a plurality of hinged tabs threaded to the central threaded pole.