The Five Fingers scale is a great way to estimate using the tools mother nature gave us! Each finger is a different response or number.
How to Estimate Story Points for Improved Agile Planning
Five fingers - Free hands and gestures icons, five fingers
Taburete Bajo de Madera con Acabado Natural - Centro Hogar Sánchez, taburetes bajos madera
Five Fingers Scale for Agile Estimation
What is Agile Estimation?
What Are Story Points in Agile And How to Estimate Them
User stories estimation with Jira story points
Five Fingers Icons - Free SVG & PNG Five Fingers Images - Noun Project, five fingers
What is Fist to Five?
Practical Fibonacci: A Beginner's Guide to Relative Sizing