free sizzler? really? no catch?

the first time we saw it in from of a wine shop. nice sunny weather so we stopped to get a bottle of wine for later. I approached with suspicion - not sure what the catch was. I mean - why would anyone give you a free barbecued sausage? must be a catch. some catch. there is no free lunch (especially if it is a sizzler). no. there is. and there is no catch. the sausage was free. so was the mustard, bread and onion. nothing to donate. nothing to sign (or at least I did not see any of those two when my eyes set on the sizzler) nice country, huh? a free sausage... not too bad. we thought that was maybe some special occasion. maybe a reason that we did not quite capture. but last week in from of a gardening centre - exactly the same. free sausage. I think I'm fine having a quick stop at a gardening centre every weekend. just for the free sausage...