Leather apparel

QUESTION: Hello Sir,

Is it okay to use leather products or is it violating the yama and niyama (violence)?

Thank You Sir!

ANSWER: There is no harm in doing so.

ॐ तत् सत्
(That Supreme being is the absolute truth)

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QUESTION: Thank You very much for your reply Sir.

1.But why is it not considered as violating the yamas and niyamas?
Is it not encouraging the slaughter of poor, innocent animals indirectly? Since now a days leather is no more a by product and has become the main product (i.e., animals are harmed exclusively for their skin).

2.Have read many blogs that conclude that even dairy industry is inflicting harm on poor cattle and they are injected with some substance so that they produce more milk and this milk generated also has some toxin portion (due to injection). So,what should an aspirant do whose aim is to remove toxins from his body? Should he still consume milk and milk products?
Milk is a healthy substance but this barbaric world has made it harder to live.Even fruits are being produced artificially...
What to do Sir, we are left with no option...

Thank You Sir for your guidance to aspirants!