As the others have said, visual image is a pretty minor consideration, but it's still worth considering, if only briefly.
Like Rockonn and Holly said, you could lull them into a false sense of security by dressing in suits, as ska kids or in the full-on rap-star attire - just don't wear black hoodies and cargos, or people will think you're Limp Bizkit :eek:.
But whatever you do, don't agonise over fitting in with the market thrash metal image, or try too hard to look like one of your favourite bands; just do what feels natural.
"It's all folk music... I ain't never heard no horse sing!"
- Attributed variously to Leadbelly and Louis Armstrong
If at first you don't succeed, you are obviously not Chuck Norris.
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