Taking action in Ipswich: How to use bleed kits

Paul Stansby owns the Lucky 13 tattoo parlour in Ipswich, his brother Dean was stabbed and killed in the town 6 years ago.
The kits can be used to stem the bleeding if an injury, like a stab wound is sustained.
Paul Stansby owns the Lucky 13 tattoo parlour in Ipswich, his brother Dean was stabbed and killed in the town 6 years ago.
After that, he set up the Be Lucky Anti Crime Foundation
But do people know how to use them?