For me the "unbreakable" floss string combined with a floss pick in this particular product: https://www.amazon.com/DenTek-Triple-Clean-Floss-Picks/dp/B003K01BM

For me the "unbreakable" floss string combined with a floss pick in this particular product: https://www.amazon.com/DenTek-Triple-Clean-Floss-Picks/dp/B003K01BMI https://www.amazon.com/DenTek-Triple-Clean-Floss-Picks/dp/B0... was a massive innovation that finally allowed me to regularly floss easily at the age of ~30. Prior to that I couldn't handle the floss string well, and all other floss picks (even nearly identical ones from the exact same brand) just snap apart between my very closely-spaced teeth.