One trick from ancient times is the Method of loci:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Method_of_loci" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Method_of_loci</a><p>(linked on HN yesterday)