A realistic suturing experience for wound closure practice. An adjustable tension mechanism in the trainer puts upward pressure on the wound for a more realistic response. Replaceable mimetic tissue Inserts offer two suturable layers of tissue simulating cutaneous and subcutaneous skin. Overall dimensions of trainer are 9.75″ x 4.75″ x 2.25″ with a suturing area of 8.5″ x 3.5″.