That technique is for people that have well developed bodies. You can try 3-in, 4-out, 1-hold, repeat. As smoothly as possible. Use a timer, don't count. Don't

That technique is for people that have well developed bodies. You can try 3-in, 4-out, 1-hold, repeat. As smoothly as possible. Use a timer, don't count. Don't think about stuff while you're at it, just watch the timer and keep it smooth.