I need to mount puck lights to glass shelves. Mounting tape & velcro won't work, the lights fall off. Ideas?
Adhesives.
Gorilla glue will hold it, but you may never get it off again.
You could try some white glue first to see if it will hold. If it does work, great. If it doesn't, the clean up is easy.
A look at what is currently available on eBay
 5 yard Black sew on Velcro Hook & Loop Tape roll 1 Inch US $.79 
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 2 inch 5 yards sew-on Velcro Hook and Loop Tape Black US $.99
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 2 inch 5 yds sew-on Velcro Hook and Loop Tape Black Bid US $.99
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 1 inch 5 yards sew-on Velcro Hook and Loop Tape Color G US $.99
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 Black Self Adhesive Velcro 1" wide Hook Loop Tape 6ft US $5.75
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 1 inch 5 yds sew-on Velcro Hook and Loop Tape Black Bid US $.99
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 1" Self-adhesive Velcro Hook Loop Tape Strip 1M BLACK US $.01
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 1” White Self Adhesive Velcro Hook & Loop Tape 5yds V7 US $4.99
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 1" Wide 1 yard WHITE Sew on Hook and Loop Velcro Tape US $1.88
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 1 inch 2 yard White sew on Velcro Hook + Loop Tape roll US $.97
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 1.5" inch 5 yards White sew on Velcro Hook & Loop Tape US $.99
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 Velcro Tape Slip Leather Case Sleeve Pouch for iPad 1 & 2 US $3.99
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 1" Self Adhesive Velcro Hook & Loop Tape 5M Roll Black US $.01
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 US Army Velcro ACU Name Tape US $1.29
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 3/4" 1 yard Black Velcro Hook & Loop Self Adhesive Tape US $.01
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