CLEVERFIT – The Adjustable Collar... Price: $29.95 (as of 01/23/2022 13:15 PST- Details) & FREE Shipping.

World’s Only 8-Position Adjustable Collar Stay: Multiple precision settings for optimized fit across all traditional collar styles – business, casual or formal (2.18″, 2.37″, 2.56″, 2.75″, 2.93″, 3.12″, 3.31″, 3.50″)
Better Looking Shirts: The only collar stay to provide tip-to-neckline adjustability eliminating weak zones, adding strength and maintaining collar’s crisp attractive appearance
The Ultimate Time Saver: Line-of-sight “quick click” fingertip adjustment sets the optimum length in seconds, eliminating the need to sort thru various mixed size stays