Reviews Home / Reviews / Warriors Martial Arts/Knee High Ninjas Reviews / Kirkby In Ashfield / Warriors Martial Arts/Knee High Ninjas Kirkby In Ashfield Review by Sean M Warriors Martial Arts/Knee High Ninjas Kirkby In Ashfield Review by Sean M, 2020-03-25T09:38:17 Definatly recommend - My son Is learning with coach Matt and loves his class.