How to darken vegetable-tanned leather easily

I just received your leathers and have installed one side of the sew-on handlebar leathers. It looks great! Unfortunately, it’s still a little too light coloured for my liking. Is there any way you would recommend for me to darken it? Are there any oils I can apply to the leather? Thanks in advance!! Regards, Lloyd You can darken our… Read More How to darken vegetable-tanned leather easily