Royal Mail has used the system more then 750 times since November after a string of horrific attacks in which rogue pets have bitten off fingers, thumbs and even a nose.
Posties are using virtual reality headsets to learn how to avoid being attacked by dogs.
The gadgets provide a 360-degree street view scene and advice on how to deal with aggressive pets on their rounds.
p:nth-of-type(2)”,”sizes”:[[8,8]],”hideOnSensitiveArticle”:true,”relativePos”:”after”,”additionalClass”:”in-article”,”name”:”div-gpt-ad-vip-slot”,”type”:”VIP”}” data-response-start=”3265.480000000025″ data-type=”gpt” data-requested=”3452.295000000049″ data-google-query-id=”CLPyqanz5-ACFdtx4AodECEKuw” data-timer-slot-rendered=”6042.404999999917″ data-rendered-width=”8″ data-rendered-height=”8″ data-response-end=”8638.155000000097″ data-viewable=”true”>Self-defence training shows a postie dropping to one knee to protect herself and using her postbag as a shield.