[QUOTE=rjm1cc;1343945]You can look for a motion sensor that will sound an alarm when the cart is tilted or driven.
Might look at alarms for motor cycles for some help.
Try
[url=https://www.amazon.com/s/ref=nb_sb_noss/159-4178647-1353601?url=search-alias%3Delectronics&field-keywords=+motor+cycle+motion+alarm&rh=n%3A172282%2 Ck%3A+motor+cycle+motion+alarm&
Suggestion, check with BuggiesUnlimited for locking items. Good site. You can also look at cables and chains, do it because it is happening.
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