You can damage your equipment or boards without feeling it. Just a couple hundred Volts is enough to damage equipment, but you won’t feel a discharge until it’s 2 to 3 kV
Pink packing materials have inconsistent electrostatic properties and should never be used
A common myth is that a cable’s center conductor can be triboelectrically charged just by flexing the cable. This is false. However, cables can still be charged through other means, so it’s important to properly discharge them before use