This would be much easier than safety wire on my race bikes (x-post from r\engineering) : r/motorcycles
Rabat AKANTOR AK 920 Tamron 1 Serie MTB Cykel Hydrauliske Bremser til Cykler 800Mm/1450Mm olietryk skivebremser,160 mm Skive Bremse ~ Dele til cykler / Spotonjobs.dk
Development and construction of a mechanically sprung shock absorber with adjustable spring stiffness for mountain bikes