The TheraTogs Wunzi System is a new washable body hugging onesie for little ones aged birth to 24 months that provides postural support and sensory input. It can improve trunk alignment for children who have low muscle tone or difficulty holding their body symmetrically or steady. The Wunzi, which fits like a typical onesie, can be worn over a diaper and is designed to fit children weighing 7 to 26 pounds. The Wunzi costs $204-$446, depending on size. Consult your therapist prior to trying.