When packing the CD2 or CD3 for transport you should fit the transit bolts underneath the player and also fit the corrugated transport packing piece. If you do not have one please contact your Naim retailer or Distributor - have the serial number of your CD player available.
To fit, just pinch the sides together and insert:
When fitted correctly it should look like this:
Please be sure to remove the clamp from the spindle and place in a bag with the other accessories in the box.