Patina on Metal; to Not Practice and Perform Badly

This page is the CodyCross answer for the clue below from Cosmetology, Group 1776, Puzzle 2 (Intense Pulsed Light).

Question is: Patina on Metal; to Not Practice and Perform Badly

and the answer is: RUSTINESS

Word Meaning:

RUSTINESS — The state of being rusty.

Definitions from Wiktionary.

Patina On Metal; To Not Practice And Perform Badly - Cosmetology CodyCross Answers | CodyCross Solutions