railblaza c-tug with sandtrakz wheels railblaza the new zealand made c-tug kayak and canoe sandtrakz cart is setting new standards with its sophisticated style and precision design. c-tug sandtrakz is the best, most versatile and durable kayak cart on the market. in fact, the sandtrakz system is so effective we think it's better than balloon wheels! whilst they are designed to make life easier on soft surfaces, sandtrakz wheels are great on hard surfaces too!