You might want to add a disposable toothbrush to your race day packing list.

Similarities between the Hardline and my temporary wrist splint ended at the black colour. The Hardline takes the technical safety cake, with a Koroyd energy-absorbing structure, MIPS liner, ...

Studies show that toothbrushes and dental floss may release microplastic particles. Is the risk serious? And how can exposure to the dangerous substance be reduced.