I Designed This To Aid In Getting Seed Spacing Done Quick And Simple With Just One Quick Movement. Then During Development Realized I Could Also Add A Trencher To Do Both Jobs In One Quick Motion

The Handle Is Removable For So That Most Broom Handles Can Be Inserted Into It For Working At Ground Level Comfortably.

4 Different Threads Were Tested - 4TPI Round, 4TPI Triangle, 5TPI Rounded Triangle, 5TPI Square (Industrial Handle). 

Threads Are 4.5 TPI Because Most Broom Handles Are Either 4 TPI or 5 TPI.

Tolerances Were Adjusted To Accommodate All 4 Types.

The Adjustable Plow is Held In Place With 1 M6x1x20mm Screw (Flat Head Or Slot Recommended Others Pack With Dirt)