Aliexpress
Click here… to search for Wearable Stainless Steel Multitool on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (47.59 USD): BGherra
Coupon (50.39 USD): BGAFF10OFF
Coupon (50.39 USD): BgcLuBofErtA10
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG2EDC2, TOOLS15, TISPrime01, Tools1, BG2SPS, BG2020NS, BGMPB2020, bGhOnEy10
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Wearable Stainless Steel Multitool.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).