I have to agree with Bananafish
There's a phrase I've used before, which is a Sherlock Holmes quote: If you eliminate the impossible, whatever you have left, no matter how improbable, must be the truth.
I always feel that it's deemed
impossible to 'bite' a coin and make it's top half vanish... but on the other hand it is
improbable to make a card vanish.
That's because making a card vanish is pure skill and dexterity, and whereas the card does not vanish in a literal sense, there's an air of real magic about it.
But biting a coin is a one-beat act. The initial original shock value has gone, and people just know it's a gimmick. There's no skill or magic involved. It's a shame.
Whereas, also in agreeance with Bananafish, to use your folding/biting coin for a coin-into-bottle routine is a different matter. It has a rhythmic routine, a start, a middle and a climax. It uses the same gimmick (in most cases - dedicated bite-out coins are tricky for this one, get a double-fold) but in a totally different way.
The biting coin routine is a little one-dimensional, in my opinion.
But I like black olives, strong cheese and lime pickle, and a lot of people don't agree with me on that score, either. So, it's a free country?!?!
In other words, these are only opinions. We need objective viewpoints.
I'm not suggesting the bite-out coin is necessarily a bad trick, but I personally don't find that it's real magic, whereas before it was 'done-to-death' it stood a chance of being part of a routine.
If you're thinking of this type of trick, eMagictricks sell great gaffed coins.
