The Danish discount retailer Fakta, also does this. They have a sign by the entrench to my local store that mentions the particular store will be one of them (n

The Danish discount retailer Fakta, also does this. They have a sign by the entrench to my local store that mentions the particular store will be one of them (no time horizon though). It seems to work well in the stores that have tried it so far, but I cannot imagine how that will work with less than nice customers.