steve,

for the top edge so no body gets cut you could rune some cheap 1/2" or
3/4" garden hose around and tied with cable ties the hose needs to be
cut along the length so it will fit over the edge of the metal.



snipped
With peace and brightest of blessings,

len & bev

--
"Be Content With What You Have And
May You Find Serenity and Tranquillity In
A World That You May Not Understand."

http://www.lensgarden.com.au/