How do I attach a mass to a Vernier dynamics cart?

The Vernier Dynamics System, order code VDS, $269 and Mass for Dynamics Cart, order code MASS, $12 each include a mass with the correct hardware for attachment to a Vernier cart.

Here is a photo showing how the included long hex nut bolt is used to attach an accelerometer along with the Vernier mass included with Vernier Dynamics System, order code VDS, $269 and Mass for Dynamics Cart, order code MASS, $12.

Also attached is a photo showing how to attach the Vernier mass included in conjunction with the Dual-Range Force Sensor, order code DFS-BTA, $109 and the Low-g Accelerometer, order code LGA-BTA, $89.

See also TIL 1882: How do I put the Vernier Dynamics System mass and the dual range force sensor on the dynamics cart at the same time?