Here's a valuable piece of equipment that every sewer needs. This is actually two tools in one. The top, narrow-surfaced, point presser side works
Tailor's Point Press
How to use a Point Presser
Wooden Pressing Tool, Point Presser with Clapper - Islander Sewing
Tom's Wooddities
DIY SLEEVE BOARD
How To Make a Tailor's Clapper
Point Presser/Clapper
Get great pressing results with a Tailor's Clapper
QUICK BUILD Making a Tailor's Clapper / Point Presser
Hardwood Tailor's Clapper by Mardili
The difference between pressing with a tailor's clapper vs without. : r/quilting
Bufandas
Making a Tailor's Clapper/Point Presser - Woodworking
Handmade Wooden Quilter's Tools and Clappers - Diary of a Quilter - a quilt blog