Helmet, use of old one

[Mr Pig]

You could remove the thin, outer shell and fit it to a tortoise! :0)

 

[rh100]

I've got it - and it's practical for the gardener (assuming it has vents)

A garden seive for your soil.

 

[jonny jeez]

Tuck it up your jumper and get a free seat on trains and busses!!!

......Although this would probably work better if you were a woman, as genarally, bloke's dont get very pregnant.

 

[palinurus]

Potato drainer

 

[palinurus]

Excuse to start a thread with helmet in the title