If you have tight hips/hamstrings look into nerve flossing.
It might not be the muscles that are tight but the nerves.
Found this lately and thought I'd pass it on 👌
My sticker still going strong after a few years on a semi popular route in Preston.
It's the bottom one if you couldn't guess 😁
I thought it'd be a useful retort to whoever put the first one up 😉