Yeah, nice (if quite easy) wall. But it's well worth being a bit more generous with the answers. The site's advice on using truncated forms of words people might use to describe the groups is definitely useful.

The answers are far too strict.

Nice easy grid, but too strict with the answers

The grid was fun, although easy, as Mondo said. However, sorry to say this but your definitions are completely rubbish ;-) I put "pre-decimal coins", "cricket", "hats" and "lane". These were ALL marked as incorrect! Oh well, it's only a game...

I put Cricket, wear on head; lane and coins all marked incorrect