The Blackroll Standard is one of the best discoveries I've made as a physiotherapist in the past 20 years. At an unbeatable price, I recommend my patients and athletes long this Blackroll, when it comes to the self-treatment of muscle and fascia-caused ailments. Whether headache patient, footballer with muscular problems, runners with knee and Achilles tendon problems or employee with pseudo sciatica: The role can work wonders when used correctly, if the cause of the complaints is in the muscles !!! Just a pity that I did not invent ...