I have never used a stringer on any of my longbows. No problems so far. Push pull takes a bit of practice, but is totally safe, in my opinion. Make sure the bottom string loop is in the nock properly first. Place the bottom nock on the floor inside your left arch (for right hand), more towards your heel, then it doesn't hurt your foot so much. The back of the bow should be facing towards you. Pull with your left hand, towards your left hip, elbow bent. Push the string up the top limb with your right index finger and thumb, until it slips into the top nock. Make sure it's in place before you let off. Keep your right arm straight. LOOK AWAY while you're doing this. if you slip, you're going to get the bow in the face. I've seen more than one shiner from bow stringing! It's all by feel.