The deal means many Coastguard locations struggling to fundraise will get desperately needed new kit.
He even wears it while he's running, surfing and playing golf.
"People have had a really tough year and this is just a great thing for people."
"Food ambulances" filled with Christmas hampers will be delivered to where they are needed most, from Invercargill to Kaitaia.
For every person who watches the livestream, $1 will be donated.
The long-running rural fundraiser has faced a number of challenges in recent years.
Over the next two days, Blind Low Vision NZ volunteers will be hitting the streets with empty buckets in a bid to raise funds.
"The feet have definitely been through a bit of turmoil so far."
The charity has been "overwhelmed with support" by farmers.