This rainbow trainer knife is a neat little product for anyone who has ever wanted to try to teach themselves some of the cool tricks that you might have seen online, in games or at the movies. It's surprisingly light and has no sharp blade, just a very blunt one that resembles a butter knife, so there's no risk of hurting yourself. The rainbow-colour design is quite cool in my opinion, and much better than the drab all-black trainer knives I've seen elsewhere.

This knife does NOT come with any instructions, so be prepared to do a lot of self-teaching! If you are ready to look up guides and demonstrations videos online yourself this isn't a problem, but don't buy this thinking that it's a product that will teach you how to use a butterfly knife prop.

The knife comes with a screwdriver to adjust the various parts of the knife, but to be honest when mine arrived I found the whole thing to be perfectly calibrated. It was smooth and easy to use right away, and I have been practicing with it since and not needed to adjust any part of it yet.

Would also work as theatre prop, providing the audience doesn't get too close a look.

Overall a really fun product that I really enjoyed!

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Pros
+ Good trainer knife for practicing
+ Comes with screwdriver for adjustments
+ Slick design

Cons
- No instructions of any kind, clearly for those who are prepared to self-teach

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Note: I received this product at a discounted rate in exchange for an unbiased, honest review as provided here. As a consumer advocate, I believe in providing quality and honest feedback and receiving a product at a discounted rate will never affect my opinions.