How to get your attachment & sensor on your bat
Turn the Universal Bat Attachment inside out.
Take your sensor and place it on the top of the Attachment. Make sure the Blast Motion Logo is facing down toward the Attachment.
Reverse the Attachment from inside out so that the sensor is now inside the Attachment. Ensure the logo is showing on top inside.
Place the Attachment on Knob of the bat. Ensure the sensor is secured on the bat.