https://www.amazon.com/Buckwheat-Zabuton-Support-Meditation-Cushions/dp/B000GL6PT8/ref=sr_1_26?ie=UTF8&qid=1498143080&sr=8-26-spons&keywords=buckwheat+mat&psc=1 these seem like they have good reviews, wondering if i should get this with the cres or just these solo are good enough