The discovery of the twist-bend nematic phase (NTB) is a milestone within the field of liquid crystals. The NTB phase has a helical structure. with a repeat length of a few nanometres. and is therefore chiral. https://www.bekindtopets.com/deal-find-Torque-Converter-Asymmetric-Belt-for-Coleman-KT196-CK196-Go-Karts-flash-save/