Try one of these?
http://securityforbikes.com/shed-shackle.php
Those guys do excellent (but spendy) chains too, apparently.
Also, replace hinge screws with coach bolts and install a hasp and staple (or two? top and bottom).
@𝔒𝕨𝖑𝘡 started
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Try one of these?
http://securityforbikes.com/shed-shackle.php
Those guys do excellent (but spendy) chains too, apparently.
Also, replace hinge screws with coach bolts and install a hasp and staple (or two? top and bottom).