Plastic is both remarkably cheap and incredibly useful. But manufacturers have been tasked with finding reusable or compostable alternatives to just about everything we've come to rely on.
Perhaps when our current plastic pegs break or wear out, we can try sustainable wood or bamboo pegs? I found pegs that are a sustainable alternative to plastic pegs, because the bamboo is biodegradable and the stainless steel springs don't add rust to your clothes. Have a look at www.peacewiththewild.co.uk