Had never heard of a Cobb before, till I read all this and then googled it. Ordered one yesterday, it arrived today and we had our first meal tonight. Nothing was burnt. We are converted and can't decide what to have tomorrow!
We also use "frontline" but it has to re applied each month (three monthly in rest of UK). It is also a good idea to watch out for adders sunbathing in tall grass, certainly along the Crinan Canal They won't bother you if you don't bother them, but a big dog bounding into the grass could give...