The Indus Dictionary Project
A blunt knife is of little use. Therefore, knifes are pictured with their sharpening tools.
For image credits, please see below.
Indus Script Signs with Numbers: List of Sign Variants: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.
Indus Script Sign without a Number: Lynn Fawcett, 2019.