This fist pic being an old picture from turn of the 19/20 century India. Is that a special knife? or just an agricultural tool? could an agricultural tool be significant? Compere with the second pic from Africa.
In this cropped picture, to concentrate on the knife. Sacred objects are being rejuvenated. The knife appears to very ordinary. The differences between an ornate and designated knife might be related to the degree of specialist personnel in the belief system and the gravity of the local.