The additional details which are mentioned are quoted as following -
Her eyes were like lasers
her voice was sharp.
Explanation:
The narrator described Debra as the intimidating woman who could tremble a man much easily except for the busboy, around whom the whole story lays its base upon.
Narrator told that Debra has very observant eyes as like laser to observe out every hidden or wrong thing out with one glance. Her voice was narrated as sharp to tremble and she altogether moves like frontier desperado to spun around. Her personality led people nervous like of Franco but the busboy had guts to ignore such glare.
