Chalk is chalk, right? Sometimes this can feel like a truism, particularly when most of us would be hard-pressed to tell the difference between different brands of chalk. However, truisms are only true until they’re wrong or, more relevantly, you run into some truly terrible chalk. While testing chalk by simply climbing doesn’t feel particularly scientific, we can report that Tokyo Power Industries (TPI) chalk is not terrible – in fact, we would say it is amongst some of the…










