perhaps, he meant that, he, (not a scholar, just himself as a muslim) and some scholars have given this opinion. We actually do not possess the power of seeing through one's heart. I've also been very concerned about this 'ankle' issue. But considering all the relevant documents and pondering over them collectively you realise it basically bans pride. You can check out my hypothesis in the previous part of this thread. I cant seem to believe wearing a full pant is pride in itself.