This has no holding, To swear by him whom I protest to love That I will work against him.

The ability of a segment of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the spherical segment was called a reading stone,[…]. Scribes, illuminators, and scholars held such stones directly over manuscript pages as an aid in seeing what was being written, drawn, or read.

a gappy row of teeth

The ball pinged off the wall and came hurtling back.